US beat Czechs, Poland defeat Kazakhstan in SydneyAryna Sabalenka powers past Andreeva in BrisbaneNaomi Osaka close to ending trophy wait in AucklandFormer champions the United States returned to the final of the United Cup mixed team tournament with a fortuitous victory over the Czech Republic on Saturday and set up a title clash with Poland, who hammered Kazakhstan.Tomas Machac looked set to draw the Czechs level at 1-1 in their semi-final and was serving for the contest against Taylor Fritz, but an apparent cramp took its toll and he lost three straight games before throwing in the towel at 7-6 (4), 5-6. Continue reading...